Method for producing light gypsum composition having internally generated foam and products produced therefrom

摘要

A method for producing a foamed gypsum slurry having a volume of 15 to 90 volume percentWater50 to 98% by weight of calcium sulfate hemihydrate1 to 50% by weight of calcium carbonateA first slurry containing 0.1 to 10 weight% cellulose thickeners is passed through a first hose at a speed c at a first inlet opening of the Y-shaped connector conduitThe alum solution is passed through a second hose at a velocity d at the second inlet opening of the conduitFor mixing for 3 hoursA combined mixing flow passing through a conduit from a conduit to a static mixer is createdActivating at least part of calcium carbonate and alumCreate CO2 andForming a gypsum gypsum slurryThe slurry is transferred from the mixer to the cavity between the two wall boards through the third hoseIncludingMethod.The expanded gypsum slurry in the cavity is expanded, solidified, and dried.Diagram